LISTSERV - TECHNET Archives - LISTSERV.IPC.ORG

TECHNET Archives

October 2001

TechNet@IPC.ORG

	LISTSERV Archives
	TECHNET Home
	TECHNET October 2001

	Log In
	Register

	Subscribe or Unsubscribe

	Search Archives

Options:	Use Monospaced Font Show Text Part by Default Show All Mail Headers
Message:	[<< First] [< Prev] [Next >] [Last >>]
Topic:	[<< First] [< Prev] [Next >] [Last >>]
Author:	[<< First] [< Prev] [Next >] [Last >>]

Subject:	Re: Adjusting the alloy composition in the solderpot
From:	Brian Ellis <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Thu, 25 Oct 2001 10:36:09 +0300
Content-Type:	text/plain
Parts/Attachments:	text/plain (47 lines)

Here's an interesting thought:

If we ask all the component manufacturers (incl. bare boards) to use
pure tin for their lead coatings etc., instead of tin/lead, this would
a) satisfy the lead-free guys
b) help keep the proportions right in the solder pot

Right?

Brian

"d. terstegge" wrote:
>
> Hi Technet,
>
> I just received an analyses report for our solder bath composition, and my Sn level is at 61.5 percent instead of the nominal 63 percent. This is at the edge of the J-STD-001C specification, so I'll have to add some pure tin to the pot.
> Last time was many years ago, and unfortunately I forgot the formula for calculating the amount of tin to add.
> It can't be that difficult, but I thought it would be quicker to ask.
>
> Thanks,
>
> Daan Terstegge
> SMT Centre
> Thales Communications
> Unclassified mail
> Personal Website: http://www.smtinfo.net
>
> ---------------------------------------------------------------------------------
> Technet Mail List provided as a free service by IPC using LISTSERV 1.8d
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL
> Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives
> Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
> information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
> ---------------------------------------------------------------------------------

---------------------------------------------------------------------------------
Technet Mail List provided as a free service by IPC using LISTSERV 1.8d
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL
Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
---------------------------------------------------------------------------------

ATOM RSS1 RSS2

LISTSERV.IPC.ORG